A half marathon is a road running event of 21.0975 kilometres —half the distance of a marathon. It is common for a half marathon event to be held concurrently with a marathon or a 5K race, using almost the same course with a late start, an early finish or shortcuts. If finisher medals are awarded, the medal or ribbon may differ from those for the full marathon. The half marathon is also known as a 21K, 21.1K, or 13.1 miles, although these values are rounded and not formally correct.
The 10K run is a long-distance road running competition over a distance of ten kilometres. Also referred to as the 10K road race, 10 km, or simply 10K, it is one of the most common types of road running event, alongside the shorter 5K and longer half marathon and marathon. It is usually distinguished from the 10,000 metres track running event by stating the distance in kilometres, rather than metres.
The Prague Half Marathon is an annual half marathon road running event which takes place in Spring on the city streets of Prague, Czech Republic, first held in 1999. It is managed by the same organisation that holds the Prague Marathon in May. The race has a loop course, starting and ending in Jan Palach Square near the Rudolfinum, and largely follows the Vltava river. The competition has enjoyed an increasing level of participation, with around 6500 participants in 2009 and almost 8500 runners taking part in the 2010 event.
The Valencia Half Marathon is an annual half marathon road running event held in Valencia, Spain, since 1988. It is categorized as a Gold Label Road Race by World Athletics. The race is organised by the Valencian sports club SD Correcaminos, which also organises the annual Valencia Marathon.
Mosinet Geremew is an Ethiopian middle-distance and long-distance runner.
Peres Jepchirchir is a Kenyan professional long-distance runner who competes mainly in road running competitions. She won the gold medal in the women's marathon at the 2020 Tokyo Olympics. Jepchirchir was the champion at the 2016 and 2020 World Half Marathon Championships. She claimed victories at the 2021 New York City and 2022 Boston Marathon and finished third at the 2023 London Marathon. She claimed a further victory at the 2024 London Marathon, finishing in two hours, 16 minutes and 16 seconds and breaking the women’s only world record.
Jacob Kiplimo is a Ugandan long-distance runner. He is the world record holder for the half marathon, which he set on 21 November 2021 in Lisbon with a time of 57:31. He is also the 2020 Tokyo Olympic 10,000 metres bronze medallist and won bronze in the event at the 2022 World Athletics Championships. Kiplimo earned gold medals for the 5000 metres and 10,000 m at the 2022 Commonwealth Games. He is the 2020 World Half Marathon champion. He won silver and gold medal at the 2019 and 2023 World Cross Country Championships respectively.
The 15K run is a long-distance foot race. It is a rarely held race that is not recognized as an Olympic event. The overall world best time for men was set by Jacob Kiplimo en route the Lisbon Half Marathon. Excluding en route times both the world best for men and women were set at the Zevenheuvelenloop in Nijmegen, Netherlands. The world best for men is held by Joshua Cheptegei of Uganda who ran a time of 41:05. The women's world best is held by Letesenbet Gidey of Ethiopia who ran a time of 44:20.
The world record in the half marathon has been officially recognized since 1 January 2004 by the International Association of Athletics Federations (IAAF), the international governing body for the sport of athletics. A total of five men's world records and six women's world records have been officially ratified since that date. The IAAF officially recognized the fastest times before that date as a "world best" from 1 January 2003 onwards. Before that date, the IAAF did not recognize any road running world records, though the concept of a world record was recognized by other organizations, such as the Association of Road Racing Statisticians (ARRS).
Brigid Jepchirchir Kosgei is a Kenyan long-distance runner who specialises in the marathon. She won the 2018 and 2019 Chicago Marathons, the 2019 and 2020 London Marathons and the 2021 Tokyo Marathon. Kosgei was the marathon world record holder for women running in a mixed-sex race, with a time of 2:14:04 achieved on 13 October 2019 at the Chicago Marathon. She won the silver medal in the marathon event at the 2020 Tokyo Olympics.
Lawrence Cherono is a Kenyan long-distance runner. He is currently the 8th fastest marathon performer of all time with his 2:03:04 clocking at the 2020 Valencia Marathon. He clocked 2:04:06 to win the Amsterdam Marathon on October 21, 2018. He also won the Amsterdam Marathon in 2017, running a time of 2:05:09, setting the course record, which he broke in 2018.
The 20K run is a long distance foot race. It is a rarely held race that is not recognized as an Olympic event. The event held IAAF world championship status in 2006 only, when the existing IAAF World Half Marathon Championships briefly hosted the shorter distance.
The 2021 New York City Marathon, the 50th running of that city's premier long-distance race, was held on November 7, 2021. Around 30,000 people ran in the event, of whom 25,020 finished. The race followed its traditional route, which passes through all five boroughs of New York City.
Kibiwott Kandie is a Kenyan long-distance runner. In December 2020, he won the Valencia Half Marathon finishing in a new world record time of 57:32, chopping off the previous world record by almost 30 seconds. Kandie won the silver medal in the men's race at the 2020 World Athletics Half Marathon Championships.
The 25K run is a long distance running footrace that is between the distance of a half marathon and a marathon. It was formerly an official world record distance in road running by World Athletics, but has since been downgraded to world best status. Separately, the Association of Road Racing Statisticians retains world records in the 25K distance. The ARRS holds different standards for records than World Athletics, with exclusions for certain point-to-point races and mixed sex races. As a result its women's world record is 1:26:34 by Nancy Conz, set in 1982.
Alexander Mutiso Munyao is a Kenyan long-distance runner who specializes in road running.
Kelvin Kiptum Cheruiyot was a Kenyan long-distance runner who currently holds the marathon world record. As of 2024, he ran three of the seven fastest marathons in history and was ranked first among the world's men's marathon runners.
The 2022 Valencia Marathon was an Elite Platinum Label marathon race held in Valencia, Spain on December 4, 2022. It was the 42nd running of the race.
Sisay Lemma 
